Answer:
toothbrush- insulator
spoon - conductor
key - conductor
chain - conductor..
water- insulator
plastic ruler- insulator
metal wire- conductor..
pins n nails- conductor
Explanation:
insulator :tooth brush ,plastic ruler,nails
conductor:spoon,metal wire,water,pin
key chain can be insulator or conductor becouse some of the are made by plastic and some of them are made by metal.
